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Simplifying -2x2 + -2x + 5 = x2 Reorder the terms: 5 + -2x + -2x2 = x2 Solving 5 + -2x + -2x2 = x2 Solving for variable 'x'. Combine like terms: -2x2 + -1x2 = -3x2 5 + -2x + -3x2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 5 + -2x + -3x2 = 0 Factor a trinomial. (1 + -1x)(5 + 3x) = 0Subproblem 1
Set the factor '(1 + -1x)' equal to zero and attempt to solve: Simplifying 1 + -1x = 0 Solving 1 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1x = 0 + -1 -1x = 0 + -1 Combine like terms: 0 + -1 = -1 -1x = -1 Divide each side by '-1'. x = 1 Simplifying x = 1Subproblem 2
Set the factor '(5 + 3x)' equal to zero and attempt to solve: Simplifying 5 + 3x = 0 Solving 5 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 3x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 3x = 0 + -5 3x = 0 + -5 Combine like terms: 0 + -5 = -5 3x = -5 Divide each side by '3'. x = -1.666666667 Simplifying x = -1.666666667Solution
x = {1, -1.666666667}
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